spark StagePage 源码
spark StagePage 代码
文件路径：/core/src/main/scala/org/apache/spark/ui/jobs/StagePage.scala
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.spark.ui.jobs
import java.net.URLEncoder
import java.nio.charset.StandardCharsets.UTF_8
import java.util.Date
import java.util.concurrent.TimeUnit
import javax.servlet.http.HttpServletRequest
import scala.collection.mutable.{HashMap, HashSet}
import scala.xml.{Node, Unparsed}
import org.apache.commons.text.StringEscapeUtils
import org.apache.spark.internal.config.UI._
import org.apache.spark.scheduler.TaskLocality
import org.apache.spark.status._
import org.apache.spark.status.api.v1._
import org.apache.spark.ui._
import org.apache.spark.util.Utils
/** Page showing statistics and task list for a given stage */
private[ui] class StagePage(parent: StagesTab, store: AppStatusStore) extends WebUIPage("stage") {
import ApiHelper._
private val TIMELINE_ENABLED = parent.conf.get(UI_TIMELINE_ENABLED)
private val TIMELINE_LEGEND = {
<div class="legend-area">
<svg>
{
val legendPairs = List(("scheduler-delay-proportion", "Scheduler Delay"),
("deserialization-time-proportion", "Task Deserialization Time"),
("shuffle-read-time-proportion", "Shuffle Read Time"),
("executor-runtime-proportion", "Executor Computing Time"),
("shuffle-write-time-proportion", "Shuffle Write Time"),
("serialization-time-proportion", "Result Serialization Time"),
("getting-result-time-proportion", "Getting Result Time"))
legendPairs.zipWithIndex.map {
case ((classAttr, name), index) =>
<rect x={5 + (index / 3) * 210 + "px"} y={10 + (index % 3) * 15 + "px"}
width="10px" height="10px" class={classAttr}></rect>
<text x={25 + (index / 3) * 210 + "px"}
y={20 + (index % 3) * 15 + "px"}>{name}</text>
}
}
</svg>
</div>
}
// TODO: We should consider increasing the number of this parameter over time
// if we find that it's okay.
private val MAX_TIMELINE_TASKS = parent.conf.get(UI_TIMELINE_TASKS_MAXIMUM)
private def getLocalitySummaryString(localitySummary: Map[String, Long]): String = {
val names = Map(
TaskLocality.PROCESS_LOCAL.toString() -> "Process local",
TaskLocality.NODE_LOCAL.toString() -> "Node local",
TaskLocality.RACK_LOCAL.toString() -> "Rack local",
TaskLocality.ANY.toString() -> "Any")
val localityNamesAndCounts = names.flatMap { case (key, name) =>
localitySummary.get(key).map { count =>
s"$name: $count"
}
}.toSeq
localityNamesAndCounts.sorted.mkString("; ")
}
def render(request: HttpServletRequest): Seq[Node] = {
val parameterId = request.getParameter("id")
require(parameterId != null && parameterId.nonEmpty, "Missing id parameter")
val parameterAttempt = request.getParameter("attempt")
require(parameterAttempt != null && parameterAttempt.nonEmpty, "Missing attempt parameter")
val parameterTaskSortColumn = request.getParameter("task.sort")
val parameterTaskSortDesc = request.getParameter("task.desc")
val parameterTaskPageSize = request.getParameter("task.pageSize")
val eventTimelineParameterTaskPage = request.getParameter("task.eventTimelinePageNumber")
val eventTimelineParameterTaskPageSize = request.getParameter("task.eventTimelinePageSize")
var eventTimelineTaskPage = Option(eventTimelineParameterTaskPage).map(_.toInt).getOrElse(1)
var eventTimelineTaskPageSize = Option(
eventTimelineParameterTaskPageSize).map(_.toInt).getOrElse(100)
val taskSortColumn = Option(parameterTaskSortColumn).map { sortColumn =>
UIUtils.decodeURLParameter(sortColumn)
}.getOrElse("Index")
val taskSortDesc = Option(parameterTaskSortDesc).map(_.toBoolean).getOrElse(false)
val taskPageSize = Option(parameterTaskPageSize).map(_.toInt).getOrElse(100)
val stageId = parameterId.toInt
val stageAttemptId = parameterAttempt.toInt
val stageHeader = s"Details for Stage $stageId (Attempt $stageAttemptId)"
val (stageData, stageJobIds) = parent.store
.asOption(parent.store.stageAttempt(stageId, stageAttemptId, details = false))
.getOrElse {
val content =
<div id="no-info">
<p>No information to display for Stage {stageId} (Attempt {stageAttemptId})</p>
</div>
return UIUtils.headerSparkPage(request, stageHeader, content, parent)
}
val localitySummary = store.localitySummary(stageData.stageId, stageData.attemptId)
val totalTasks = stageData.numActiveTasks + stageData.numCompleteTasks +
stageData.numFailedTasks + stageData.numKilledTasks
if (totalTasks == 0) {
val content =
<div>
<h4>Summary Metrics</h4> No tasks have started yet
<h4>Tasks</h4> No tasks have started yet
</div>
return UIUtils.headerSparkPage(request, stageHeader, content, parent)
}
if (eventTimelineTaskPageSize < 1 || eventTimelineTaskPageSize > totalTasks) {
eventTimelineTaskPageSize = totalTasks
}
val eventTimelineTotalPages =
(totalTasks + eventTimelineTaskPageSize - 1) / eventTimelineTaskPageSize
if (eventTimelineTaskPage < 1 || eventTimelineTaskPage > eventTimelineTotalPages) {
eventTimelineTaskPage = 1
}
val summary =
<div>
<ul class="list-unstyled">
<li>
<strong>Resource Profile Id: </strong>
{stageData.resourceProfileId}
</li>
<li>
<strong>Total Time Across All Tasks: </strong>
{UIUtils.formatDuration(stageData.executorRunTime)}
</li>
<li>
<strong>Locality Level Summary: </strong>
{getLocalitySummaryString(localitySummary)}
</li>
{if (hasInput(stageData)) {
<li>
<strong>Input Size / Records: </strong>
{s"${Utils.bytesToString(stageData.inputBytes)} / ${stageData.inputRecords}"}
</li>
}}
{if (hasOutput(stageData)) {
<li>
<strong>Output Size / Records: </strong>
{s"${Utils.bytesToString(stageData.outputBytes)} / ${stageData.outputRecords}"}
</li>
}}
{if (hasShuffleRead(stageData)) {
<li>
<strong>Shuffle Read Size / Records: </strong>
{s"${Utils.bytesToString(stageData.shuffleReadBytes)} / " +
s"${stageData.shuffleReadRecords}"}
</li>
}}
{if (hasShuffleWrite(stageData)) {
<li>
<strong>Shuffle Write Size / Records: </strong>
{s"${Utils.bytesToString(stageData.shuffleWriteBytes)} / " +
s"${stageData.shuffleWriteRecords}"}
</li>
}}
{if (hasBytesSpilled(stageData)) {
<li>
<strong>Spill (Memory): </strong>
{Utils.bytesToString(stageData.memoryBytesSpilled)}
</li>
<li>
<strong>Spill (Disk): </strong>
{Utils.bytesToString(stageData.diskBytesSpilled)}
</li>
}}
{if (!stageJobIds.isEmpty) {
<li>
<strong>Associated Job Ids: </strong>
{stageJobIds.sorted.map { jobId =>
val jobURL = "%s/jobs/job/?id=%s"
.format(UIUtils.prependBaseUri(request, parent.basePath), jobId)
<a href={jobURL}>{jobId.toString}</a><span> </span>
}}
</li>
}}
</ul>
</div>
val stageGraph = parent.store.asOption(parent.store.operationGraphForStage(stageId))
val dagViz = UIUtils.showDagVizForStage(stageId, stageGraph)
val currentTime = System.currentTimeMillis()
val taskTable = try {
val _taskTable = new TaskPagedTable(
stageData,
UIUtils.prependBaseUri(request, parent.basePath) +
s"/stages/stage/?id=${stageId}&attempt=${stageAttemptId}",
pageSize = taskPageSize,
sortColumn = taskSortColumn,
desc = taskSortDesc,
store = parent.store
)
_taskTable
} catch {
case e @ (_ : IllegalArgumentException | _ : IndexOutOfBoundsException) =>
null
}
val content =
summary ++
dagViz ++ <div id="showAdditionalMetrics"></div> ++
makeTimeline(
// Only show the tasks in the table
Option(taskTable).map({ taskPagedTable =>
val from = (eventTimelineTaskPage - 1) * eventTimelineTaskPageSize
val to = taskPagedTable.dataSource.dataSize.min(
eventTimelineTaskPage * eventTimelineTaskPageSize)
taskPagedTable.dataSource.sliceData(from, to)}).getOrElse(Nil), currentTime,
eventTimelineTaskPage, eventTimelineTaskPageSize, eventTimelineTotalPages, stageId,
stageAttemptId, totalTasks) ++
<div id="parent-container">
<script src={UIUtils.prependBaseUri(request, "/static/utils.js")}></script>
<script src={UIUtils.prependBaseUri(request, "/static/stagepage.js")}></script>
</div>
UIUtils.headerSparkPage(request, stageHeader, content, parent, showVisualization = true,
useDataTables = true)
}
def makeTimeline(
tasks: Seq[TaskData],
currentTime: Long,
page: Int,
pageSize: Int,
totalPages: Int,
stageId: Int,
stageAttemptId: Int,
totalTasks: Int): Seq[Node] = {
if (!TIMELINE_ENABLED) return Seq.empty[Node]
val executorsSet = new HashSet[(String, String)]
var minLaunchTime = Long.MaxValue
var maxFinishTime = Long.MinValue
val executorsArrayStr =
tasks.sortBy(-_.launchTime.getTime()).take(MAX_TIMELINE_TASKS).map { taskInfo =>
val executorId = taskInfo.executorId
val host = taskInfo.host
executorsSet += ((executorId, host))
val launchTime = taskInfo.launchTime.getTime()
val finishTime = taskInfo.duration.map(taskInfo.launchTime.getTime() + _)
.getOrElse(currentTime)
val totalExecutionTime = finishTime - launchTime
minLaunchTime = launchTime.min(minLaunchTime)
maxFinishTime = finishTime.max(maxFinishTime)
def toProportion(time: Long) = time.toDouble / totalExecutionTime * 100
val metricsOpt = taskInfo.taskMetrics
val shuffleReadTime =
metricsOpt.map(_.shuffleReadMetrics.fetchWaitTime).getOrElse(0L)
val shuffleReadTimeProportion = toProportion(shuffleReadTime)
val shuffleWriteTime =
(metricsOpt.map(_.shuffleWriteMetrics.writeTime).getOrElse(0L) / 1e6).toLong
val shuffleWriteTimeProportion = toProportion(shuffleWriteTime)
val serializationTime = metricsOpt.map(_.resultSerializationTime).getOrElse(0L)
val serializationTimeProportion = toProportion(serializationTime)
val deserializationTime = metricsOpt.map(_.executorDeserializeTime).getOrElse(0L)
val deserializationTimeProportion = toProportion(deserializationTime)
val gettingResultTime = AppStatusUtils.gettingResultTime(taskInfo)
val gettingResultTimeProportion = toProportion(gettingResultTime)
val schedulerDelay = AppStatusUtils.schedulerDelay(taskInfo)
val schedulerDelayProportion = toProportion(schedulerDelay)
val executorOverhead = serializationTime + deserializationTime
val executorRunTime = if (taskInfo.duration.isDefined) {
math.max(totalExecutionTime - executorOverhead - gettingResultTime - schedulerDelay, 0)
} else {
metricsOpt.map(_.executorRunTime).getOrElse(
math.max(totalExecutionTime - executorOverhead - gettingResultTime - schedulerDelay, 0))
}
val executorComputingTime = executorRunTime - shuffleReadTime - shuffleWriteTime
val executorComputingTimeProportion =
math.max(100 - schedulerDelayProportion - shuffleReadTimeProportion -
shuffleWriteTimeProportion - serializationTimeProportion -
deserializationTimeProportion - gettingResultTimeProportion, 0)
val schedulerDelayProportionPos = 0
val deserializationTimeProportionPos =
schedulerDelayProportionPos + schedulerDelayProportion
val shuffleReadTimeProportionPos =
deserializationTimeProportionPos + deserializationTimeProportion
val executorRuntimeProportionPos =
shuffleReadTimeProportionPos + shuffleReadTimeProportion
val shuffleWriteTimeProportionPos =
executorRuntimeProportionPos + executorComputingTimeProportion
val serializationTimeProportionPos =
shuffleWriteTimeProportionPos + shuffleWriteTimeProportion
val gettingResultTimeProportionPos =
serializationTimeProportionPos + serializationTimeProportion
val index = taskInfo.index
val attempt = taskInfo.attempt
val svgTag =
if (totalExecutionTime == 0) {
// SPARK-8705: Avoid invalid attribute error in JavaScript if execution time is 0
"""<svg class="task-assignment-timeline-duration-bar"></svg>"""
} else {
s"""<svg class="task-assignment-timeline-duration-bar">
|<rect class="scheduler-delay-proportion"
|x="$schedulerDelayProportionPos%" y="0px" height="26px"
|width="$schedulerDelayProportion%"></rect>
|<rect class="deserialization-time-proportion"
|x="$deserializationTimeProportionPos%" y="0px" height="26px"
|width="$deserializationTimeProportion%"></rect>
|<rect class="shuffle-read-time-proportion"
|x="$shuffleReadTimeProportionPos%" y="0px" height="26px"
|width="$shuffleReadTimeProportion%"></rect>
|<rect class="executor-runtime-proportion"
|x="$executorRuntimeProportionPos%" y="0px" height="26px"
|width="$executorComputingTimeProportion%"></rect>
|<rect class="shuffle-write-time-proportion"
|x="$shuffleWriteTimeProportionPos%" y="0px" height="26px"
|width="$shuffleWriteTimeProportion%"></rect>
|<rect class="serialization-time-proportion"
|x="$serializationTimeProportionPos%" y="0px" height="26px"
|width="$serializationTimeProportion%"></rect>
|<rect class="getting-result-time-proportion"
|x="$gettingResultTimeProportionPos%" y="0px" height="26px"
|width="$gettingResultTimeProportion%"></rect></svg>""".stripMargin
}
val timelineObject =
s"""
|{
|'className': 'task task-assignment-timeline-object',
|'group': '$executorId',
|'content': '<div class="task-assignment-timeline-content"
|data-toggle="tooltip" data-placement="top"
|data-html="true" data-container="body"
|data-title="${"Task " + index + " (attempt " + attempt + ")"}<br>
|Status: ${taskInfo.status}<br>
|Launch Time: ${UIUtils.formatDate(new Date(launchTime))}
|${
if (!taskInfo.duration.isDefined) {
s"""<br>Finish Time: ${UIUtils.formatDate(new Date(finishTime))}"""
} else {
""
}
}
|<br>Scheduler Delay: $schedulerDelay ms
|<br>Task Deserialization Time: ${UIUtils.formatDuration(deserializationTime)}
|<br>Shuffle Read Time: ${UIUtils.formatDuration(shuffleReadTime)}
|<br>Executor Computing Time: ${UIUtils.formatDuration(executorComputingTime)}
|<br>Shuffle Write Time: ${UIUtils.formatDuration(shuffleWriteTime)}
|<br>Result Serialization Time: ${UIUtils.formatDuration(serializationTime)}
|<br>Getting Result Time: ${UIUtils.formatDuration(gettingResultTime)}">
|$svgTag',
|'start': new Date($launchTime),
|'end': new Date($finishTime)
|}
|""".stripMargin.replaceAll("""[\r\n]+""", " ")
timelineObject
}.mkString("[", ",", "]")
val groupArrayStr = executorsSet.map {
case (executorId, host) =>
s"""
{
'id': '$executorId',
'content': '$executorId / $host',
}
"""
}.mkString("[", ",", "]")
<span class="expand-task-assignment-timeline">
<span class="expand-task-assignment-timeline-arrow arrow-closed"></span>
<a>Event Timeline</a>
</span> ++
<div id="task-assignment-timeline" class="collapsed">
{
if (MAX_TIMELINE_TASKS < tasks.size) {
<strong>
Only the most recent {MAX_TIMELINE_TASKS} tasks
(of {tasks.size} total) are shown.
</strong>
} else {
Seq.empty
}
}
<div class="control-panel">
<div id="task-assignment-timeline-zoom-lock">
<input type="checkbox"></input>
<span>Enable zooming</span>
</div>
<div>
<form id={"form-event-timeline-page"}
method="get"
action=""
class="form-inline float-right justify-content-end"
style="margin-bottom: 0px;">
<label>Tasks: {totalTasks}. {totalPages} Pages. Jump to</label>
<input type="hidden" name="id" value={stageId.toString} />
<input type="hidden" name="attempt" value={stageAttemptId.toString} />
<input type="text"
name="task.eventTimelinePageNumber"
id={"form-event-timeline-page-no"}
value={page.toString}
class="col-1 form-control" />
<label>. Show </label>
<input type="text"
id={"form-event-timeline-page-size"}
name="task.eventTimelinePageSize"
value={pageSize.toString}
class="col-1 form-control" />
<label>items in a page.</label>
<button type="submit" class="btn btn-spark">Go</button>
</form>
</div>
</div>
{TIMELINE_LEGEND}
</div> ++
<script type="text/javascript">
{Unparsed("drawTaskAssignmentTimeline(" +
s"$groupArrayStr, $executorsArrayStr, $minLaunchTime, $maxFinishTime, " +
s"${UIUtils.getTimeZoneOffset()})")}
</script>
}
}
private[ui] class TaskDataSource(
stage: StageData,
pageSize: Int,
sortColumn: String,
desc: Boolean,
store: AppStatusStore) extends PagedDataSource[TaskData](pageSize) {
import ApiHelper._
// Keep an internal cache of executor log maps so that long task lists render faster.
private val executorIdToLogs = new HashMap[String, Map[String, String]]()
private var _tasksToShow: Seq[TaskData] = null
override def dataSize: Int = store.taskCount(stage.stageId, stage.attemptId).toInt
override def sliceData(from: Int, to: Int): Seq[TaskData] = {
if (_tasksToShow == null) {
_tasksToShow = store.taskList(stage.stageId, stage.attemptId, from, to - from,
indexName(sortColumn), !desc)
}
_tasksToShow
}
def executorLogs(id: String): Map[String, String] = {
executorIdToLogs.getOrElseUpdate(id,
store.asOption(store.executorSummary(id)).map(_.executorLogs).getOrElse(Map.empty))
}
}
private[ui] class TaskPagedTable(
stage: StageData,
basePath: String,
pageSize: Int,
sortColumn: String,
desc: Boolean,
store: AppStatusStore) extends PagedTable[TaskData] {
import ApiHelper._
private val encodedSortColumn = URLEncoder.encode(sortColumn, UTF_8.name())
override def tableId: String = "task-table"
override def tableCssClass: String =
"table table-bordered table-sm table-striped table-head-clickable"
override def pageSizeFormField: String = "task.pageSize"
override def pageNumberFormField: String = "task.page"
override val dataSource: TaskDataSource = new TaskDataSource(
stage,
pageSize,
sortColumn,
desc,
store)
override def pageLink(page: Int): String = {
basePath +
s"&$pageNumberFormField=$page" +
s"&task.sort=$encodedSortColumn" +
s"&task.desc=$desc" +
s"&$pageSizeFormField=$pageSize"
}
override def goButtonFormPath: String = s"$basePath&task.sort=$encodedSortColumn&task.desc=$desc"
def headers: Seq[Node] = {
import ApiHelper._
val taskHeadersAndCssClasses: Seq[(String, String)] =
Seq(
(HEADER_TASK_INDEX, ""), (HEADER_ID, ""), (HEADER_ATTEMPT, ""), (HEADER_STATUS, ""),
(HEADER_LOCALITY, ""), (HEADER_EXECUTOR, ""), (HEADER_HOST, ""), (HEADER_LAUNCH_TIME, ""),
(HEADER_DURATION, ""), (HEADER_SCHEDULER_DELAY, TaskDetailsClassNames.SCHEDULER_DELAY),
(HEADER_DESER_TIME, TaskDetailsClassNames.TASK_DESERIALIZATION_TIME),
(HEADER_GC_TIME, ""),
(HEADER_SER_TIME, TaskDetailsClassNames.RESULT_SERIALIZATION_TIME),
(HEADER_GETTING_RESULT_TIME, TaskDetailsClassNames.GETTING_RESULT_TIME),
(HEADER_PEAK_MEM, TaskDetailsClassNames.PEAK_EXECUTION_MEMORY)) ++
{if (hasAccumulators(stage)) Seq((HEADER_ACCUMULATORS, "")) else Nil} ++
{if (hasInput(stage)) Seq((HEADER_INPUT_SIZE, "")) else Nil} ++
{if (hasOutput(stage)) Seq((HEADER_OUTPUT_SIZE, "")) else Nil} ++
{if (hasShuffleRead(stage)) {
Seq((HEADER_SHUFFLE_READ_FETCH_WAIT_TIME,
TaskDetailsClassNames.SHUFFLE_READ_FETCH_WAIT_TIME),
(HEADER_SHUFFLE_TOTAL_READS, ""),
(HEADER_SHUFFLE_REMOTE_READS, TaskDetailsClassNames.SHUFFLE_READ_REMOTE_SIZE))
} else {
Nil
}} ++
{if (hasShuffleWrite(stage)) {
Seq((HEADER_SHUFFLE_WRITE_TIME, ""), (HEADER_SHUFFLE_WRITE_SIZE, ""))
} else {
Nil
}} ++
{if (hasBytesSpilled(stage)) {
Seq((HEADER_MEM_SPILL, ""), (HEADER_DISK_SPILL, ""))
} else {
Nil
}} ++
Seq((HEADER_ERROR, ""))
if (!taskHeadersAndCssClasses.map(_._1).contains(sortColumn)) {
throw new IllegalArgumentException(s"Unknown column: $sortColumn")
}
val headerRow: Seq[Node] = {
taskHeadersAndCssClasses.map { case (header, cssClass) =>
if (header == sortColumn) {
val headerLink = Unparsed(
basePath +
s"&task.sort=${URLEncoder.encode(header, UTF_8.name())}" +
s"&task.desc=${!desc}" +
s"&task.pageSize=$pageSize")
val arrow = if (desc) "▾" else "▴" // UP or DOWN
<th class={cssClass}>
<a href={headerLink}>
{header}
<span> {Unparsed(arrow)}</span>
</a>
</th>
} else {
val headerLink = Unparsed(
basePath +
s"&task.sort=${URLEncoder.encode(header, UTF_8.name())}" +
s"&task.pageSize=$pageSize")
<th class={cssClass}>
<a href={headerLink}>
{header}
</a>
</th>
}
}
}
<thead>{headerRow}</thead>
}
def row(task: TaskData): Seq[Node] = {
def formatDuration(value: Option[Long], hideZero: Boolean = false): String = {
value.map { v =>
if (v > 0 || !hideZero) UIUtils.formatDuration(v) else ""
}.getOrElse("")
}
def formatBytes(value: Option[Long]): String = {
Utils.bytesToString(value.getOrElse(0L))
}
<tr>
<td>{task.index}</td>
<td>{task.taskId}</td>
<td>{if (task.speculative) s"${task.attempt} (speculative)" else task.attempt.toString}</td>
<td>{task.status}</td>
<td>{task.taskLocality}</td>
<td>{task.executorId}</td>
<td>
<div style="float: left">{task.host}</div>
<div style="float: right">
{
dataSource.executorLogs(task.executorId).map {
case (logName, logUrl) => <div><a href={logUrl}>{logName}</a></div>
}
}
</div>
</td>
<td>{UIUtils.formatDate(task.launchTime)}</td>
<td>{formatDuration(task.taskMetrics.map(_.executorRunTime))}</td>
<td class={TaskDetailsClassNames.SCHEDULER_DELAY}>
{UIUtils.formatDuration(AppStatusUtils.schedulerDelay(task))}
</td>
<td class={TaskDetailsClassNames.TASK_DESERIALIZATION_TIME}>
{formatDuration(task.taskMetrics.map(_.executorDeserializeTime))}
</td>
<td>
{formatDuration(task.taskMetrics.map(_.jvmGcTime), hideZero = true)}
</td>
<td class={TaskDetailsClassNames.RESULT_SERIALIZATION_TIME}>
{formatDuration(task.taskMetrics.map(_.resultSerializationTime))}
</td>
<td class={TaskDetailsClassNames.GETTING_RESULT_TIME}>
{UIUtils.formatDuration(AppStatusUtils.gettingResultTime(task))}
</td>
<td class={TaskDetailsClassNames.PEAK_EXECUTION_MEMORY}>
{formatBytes(task.taskMetrics.map(_.peakExecutionMemory))}
</td>
{if (hasAccumulators(stage)) {
<td>{accumulatorsInfo(task)}</td>
}}
{if (hasInput(stage)) {
<td>{
metricInfo(task) { m =>
val bytesRead = Utils.bytesToString(m.inputMetrics.bytesRead)
val records = m.inputMetrics.recordsRead
Unparsed(s"$bytesRead / $records")
}
}</td>
}}
{if (hasOutput(stage)) {
<td>{
metricInfo(task) { m =>
val bytesWritten = Utils.bytesToString(m.outputMetrics.bytesWritten)
val records = m.outputMetrics.recordsWritten
Unparsed(s"$bytesWritten / $records")
}
}</td>
}}
{if (hasShuffleRead(stage)) {
<td class={TaskDetailsClassNames.SHUFFLE_READ_FETCH_WAIT_TIME}>
{formatDuration(task.taskMetrics.map(_.shuffleReadMetrics.fetchWaitTime))}
</td>
<td>{
metricInfo(task) { m =>
val bytesRead = Utils.bytesToString(totalBytesRead(m.shuffleReadMetrics))
val records = m.shuffleReadMetrics.recordsRead
Unparsed(s"$bytesRead / $records")
}
}</td>
<td class={TaskDetailsClassNames.SHUFFLE_READ_REMOTE_SIZE}>
{formatBytes(task.taskMetrics.map(_.shuffleReadMetrics.remoteBytesRead))}
</td>
}}
{if (hasShuffleWrite(stage)) {
<td>{
formatDuration(
task.taskMetrics.map { m =>
TimeUnit.NANOSECONDS.toMillis(m.shuffleWriteMetrics.writeTime)
},
hideZero = true)
}</td>
<td>{
metricInfo(task) { m =>
val bytesWritten = Utils.bytesToString(m.shuffleWriteMetrics.bytesWritten)
val records = m.shuffleWriteMetrics.recordsWritten
Unparsed(s"$bytesWritten / $records")
}
}</td>
}}
{if (hasBytesSpilled(stage)) {
<td>{formatBytes(task.taskMetrics.map(_.memoryBytesSpilled))}</td>
<td>{formatBytes(task.taskMetrics.map(_.diskBytesSpilled))}</td>
}}
{errorMessageCell(task.errorMessage.getOrElse(""))}
</tr>
}
private def accumulatorsInfo(task: TaskData): Seq[Node] = {
task.accumulatorUpdates.flatMap { acc =>
if (acc.name != null && acc.update.isDefined) {
Unparsed(StringEscapeUtils.escapeHtml4(s"${acc.name}: ${acc.update.get}")) ++ <br />
} else {
Nil
}
}
}
private def metricInfo(task: TaskData)(fn: TaskMetrics => Seq[Node]): Seq[Node] = {
task.taskMetrics.map(fn).getOrElse(Nil)
}
private def errorMessageCell(error: String): Seq[Node] = {
val isMultiline = error.indexOf('\n') >= 0
// Display the first line by default
val errorSummary = StringEscapeUtils.escapeHtml4(
if (isMultiline) {
error.substring(0, error.indexOf('\n'))
} else {
error
})
val details = UIUtils.detailsUINode(isMultiline, error)
<td>{errorSummary}{details}</td>
}
}
private[spark] object ApiHelper {
val HEADER_ID = "ID"
val HEADER_TASK_INDEX = "Index"
val HEADER_ATTEMPT = "Attempt"
val HEADER_STATUS = "Status"
val HEADER_LOCALITY = "Locality Level"
val HEADER_EXECUTOR = "Executor ID"
val HEADER_HOST = "Host"
val HEADER_LAUNCH_TIME = "Launch Time"
val HEADER_DURATION = "Duration"
val HEADER_SCHEDULER_DELAY = "Scheduler Delay"
val HEADER_DESER_TIME = "Task Deserialization Time"
val HEADER_GC_TIME = "GC Time"
val HEADER_SER_TIME = "Result Serialization Time"
val HEADER_GETTING_RESULT_TIME = "Getting Result Time"
val HEADER_PEAK_MEM = "Peak Execution Memory"
val HEADER_ACCUMULATORS = "Accumulators"
val HEADER_INPUT_SIZE = "Input Size / Records"
val HEADER_OUTPUT_SIZE = "Output Size / Records"
val HEADER_SHUFFLE_READ_FETCH_WAIT_TIME = "Shuffle Read Fetch Wait Time"
val HEADER_SHUFFLE_TOTAL_READS = "Shuffle Read Size / Records"
val HEADER_SHUFFLE_REMOTE_READS = "Shuffle Remote Reads"
val HEADER_SHUFFLE_WRITE_TIME = "Shuffle Write Time"
val HEADER_SHUFFLE_WRITE_SIZE = "Shuffle Write Size / Records"
val HEADER_MEM_SPILL = "Spill (Memory)"
val HEADER_DISK_SPILL = "Spill (Disk)"
val HEADER_ERROR = "Errors"
private[ui] val COLUMN_TO_INDEX = Map(
HEADER_ID -> null.asInstanceOf[String],
HEADER_TASK_INDEX -> TaskIndexNames.TASK_INDEX,
HEADER_ATTEMPT -> TaskIndexNames.ATTEMPT,
HEADER_STATUS -> TaskIndexNames.STATUS,
HEADER_LOCALITY -> TaskIndexNames.LOCALITY,
HEADER_EXECUTOR -> TaskIndexNames.EXECUTOR,
HEADER_HOST -> TaskIndexNames.HOST,
HEADER_LAUNCH_TIME -> TaskIndexNames.LAUNCH_TIME,
// SPARK-26109: Duration of task as executorRunTime to make it consistent with the
// aggregated tasks summary metrics table and the previous versions of Spark.
HEADER_DURATION -> TaskIndexNames.EXEC_RUN_TIME,
HEADER_SCHEDULER_DELAY -> TaskIndexNames.SCHEDULER_DELAY,
HEADER_DESER_TIME -> TaskIndexNames.DESER_TIME,
HEADER_GC_TIME -> TaskIndexNames.GC_TIME,
HEADER_SER_TIME -> TaskIndexNames.SER_TIME,
HEADER_GETTING_RESULT_TIME -> TaskIndexNames.GETTING_RESULT_TIME,
HEADER_PEAK_MEM -> TaskIndexNames.PEAK_MEM,
HEADER_ACCUMULATORS -> TaskIndexNames.ACCUMULATORS,
HEADER_INPUT_SIZE -> TaskIndexNames.INPUT_SIZE,
HEADER_OUTPUT_SIZE -> TaskIndexNames.OUTPUT_SIZE,
HEADER_SHUFFLE_READ_FETCH_WAIT_TIME -> TaskIndexNames.SHUFFLE_READ_FETCH_WAIT_TIME,
HEADER_SHUFFLE_TOTAL_READS -> TaskIndexNames.SHUFFLE_TOTAL_READS,
HEADER_SHUFFLE_REMOTE_READS -> TaskIndexNames.SHUFFLE_REMOTE_READS,
HEADER_SHUFFLE_WRITE_TIME -> TaskIndexNames.SHUFFLE_WRITE_TIME,
HEADER_SHUFFLE_WRITE_SIZE -> TaskIndexNames.SHUFFLE_WRITE_SIZE,
HEADER_MEM_SPILL -> TaskIndexNames.MEM_SPILL,
HEADER_DISK_SPILL -> TaskIndexNames.DISK_SPILL,
HEADER_ERROR -> TaskIndexNames.ERROR)
def hasAccumulators(stageData: StageData): Boolean = {
stageData.accumulatorUpdates.exists { acc => acc.name != null && acc.value != null }
}
def hasInput(stageData: StageData): Boolean = {
stageData.inputBytes > 0 || stageData.inputRecords > 0
}
def hasOutput(stageData: StageData): Boolean = {
stageData.outputBytes > 0 || stageData.outputRecords > 0
}
def hasShuffleRead(stageData: StageData): Boolean = stageData.shuffleReadBytes > 0
def hasShuffleWrite(stageData: StageData): Boolean = stageData.shuffleWriteBytes > 0
def hasBytesSpilled(stageData: StageData): Boolean = {
stageData.diskBytesSpilled > 0 || stageData.memoryBytesSpilled > 0
}
def totalBytesRead(metrics: ShuffleReadMetrics): Long = {
metrics.localBytesRead + metrics.remoteBytesRead
}
def indexName(sortColumn: String): Option[String] = {
COLUMN_TO_INDEX.get(sortColumn) match {
case Some(v) => Option(v)
case _ => throw new IllegalArgumentException(s"Invalid sort column: $sortColumn")
}
}
def lastStageNameAndDescription(store: AppStatusStore, job: JobData): (String, String) = {
// Some jobs have only 0 partitions.
if (job.stageIds.isEmpty) {
("", job.name)
} else {
val stage = store.asOption(store.stageAttempt(job.stageIds.max, 0)._1)
(stage.map(_.name).getOrElse(""), stage.flatMap(_.description).getOrElse(job.name))
}
}
}
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